<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="http://localhost:8080/aaa" method="post">
    <label for="user">User</label>
    <input type="text" name="user" id="user" value=""><br>
    <label for="password">Password</label>
    <input type="password" name="pass" id="password" value=""><br>
    <input type="submit" value="提交">
</form>
</body>
</html>